Well, the ECM doesn't "fail"- it just makes noise. Generally, either it'll make noise or it won't.
As far as the fuel pump goes, it's actually pretty easy to replace. It's an hour job. You can find used pumps in the for sale section from guys that end up going FI and need to get rid of their pumps.
Just a solution for you if you can't get them to replace the pump and/or you get tired of the noise.
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